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530143541 = 895956669
BaseRepresentation
bin11111100110010…
…101100100110101
31100221120002012222
4133212111210311
52041204043131
6124334452125
716065100664
oct3746254465
91327502188
10530143541
11252285764
12129664045
1385aaa505
14505a0ddb
153181e87b
hex1f995935

530143541 has 4 divisors (see below), whose sum is σ = 536100300. Its totient is φ = 524186784.

The previous prime is 530143531. The next prime is 530143543. The reversal of 530143541 is 145341035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78411025 + 451732516 = 8855^2 + 21254^2 .

It is a cyclic number.

It is not a de Polignac number, because 530143541 - 218 = 529881397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530143541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530143543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2978246 + ... + 2978423.

It is an arithmetic number, because the mean of its divisors is an integer number (134025075).

Almost surely, 2530143541 is an apocalyptic number.

It is an amenable number.

530143541 is a deficient number, since it is larger than the sum of its proper divisors (5956759).

530143541 is an equidigital number, since it uses as much as digits as its factorization.

530143541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956758.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 530143541 is about 23024.8461666957. The cubic root of 530143541 is about 809.3402853703.

Adding to 530143541 its reverse (145341035), we get a palindrome (675484576).

The spelling of 530143541 in words is "five hundred thirty million, one hundred forty-three thousand, five hundred forty-one".

Divisors: 1 89 5956669 530143541